Thread (10 messages) flat view 10 messages, 2 authors, 2021-06-08
STALE1888d REVIEWED: 1 (1M)

Revision v1 of 2 in this series; 1 review trailer (1 from subsystem maintainers).

Revisions (2)
  1. v1 [diff vs current]
  2. v1 current

[PATCH net-next 3/8] selftests: Clean forgotten resources as part of cleanup()

From: Ido Schimmel <hidden>
Date: 2021-06-08 12:44:53
Subsystem: kernel selftest framework, mellanox ethernet switch drivers, networking drivers, networking [general], networking [ipv4/ipv6], the rest · Maintainers: Shuah Khan, Shuah Khan, Ido Schimmel, Petr Machata, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Linus Torvalds

From: Amit Cohen <redacted>

Several tests do not set some ports down as part of their cleanup(),
resulting in IPv6 link-local addresses and associated routes not being
deleted.

These leaks were found using a BPF tool that monitors ASIC resources.

Solve this by setting the ports down at the end of the tests.

Signed-off-by: Amit Cohen <redacted>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 .../selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh       | 3 +++
 .../selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh  | 3 +++
 tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh   | 2 ++
 tools/testing/selftests/net/forwarding/pedit_dsfield.sh        | 2 ++
 tools/testing/selftests/net/forwarding/pedit_l4port.sh         | 2 ++
 tools/testing/selftests/net/forwarding/skbedit_priority.sh     | 2 ++
 6 files changed, 14 insertions(+)
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh
index 4029833f7e27..160891dcb4bc 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh
@@ -109,6 +109,9 @@ router_destroy()
 	__addr_add_del $rp1 del 192.0.2.2/24 2001:db8:1::2/64
 
 	tc qdisc del dev $rp2 clsact
+
+	ip link set dev $rp2 down
+	ip link set dev $rp1 down
 }
 
 setup_prepare()
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh
index 42d44e27802c..190c1b6b5365 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh
@@ -111,6 +111,9 @@ router_destroy()
 	__addr_add_del $rp1 del 192.0.2.2/24 2001:db8:1::2/64
 
 	tc qdisc del dev $rp2 clsact
+
+	ip link set dev $rp2 down
+	ip link set dev $rp1 down
 }
 
 setup_prepare()
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
index 5cbff8038f84..28a570006d4d 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
@@ -93,7 +93,9 @@ switch_destroy()
 	lldptool -T -i $swp1 -V APP -d $(dscp_map 10) >/dev/null
 	lldpad_app_wait_del
 
+	ip link set dev $swp2 down
 	ip link set dev $swp2 nomaster
+	ip link set dev $swp1 down
 	ip link set dev $swp1 nomaster
 	ip link del dev br1
 }
diff --git a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh
index 55eeacf59241..64fbd211d907 100755
--- a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh
+++ b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh
@@ -75,7 +75,9 @@ switch_destroy()
 	tc qdisc del dev $swp2 clsact
 	tc qdisc del dev $swp1 clsact
 
+	ip link set dev $swp2 down
 	ip link set dev $swp2 nomaster
+	ip link set dev $swp1 down
 	ip link set dev $swp1 nomaster
 	ip link del dev br1
 }
diff --git a/tools/testing/selftests/net/forwarding/pedit_l4port.sh b/tools/testing/selftests/net/forwarding/pedit_l4port.sh
index 5f20d289ee43..10e594c55117 100755
--- a/tools/testing/selftests/net/forwarding/pedit_l4port.sh
+++ b/tools/testing/selftests/net/forwarding/pedit_l4port.sh
@@ -71,7 +71,9 @@ switch_destroy()
 	tc qdisc del dev $swp2 clsact
 	tc qdisc del dev $swp1 clsact
 
+	ip link set dev $swp2 down
 	ip link set dev $swp2 nomaster
+	ip link set dev $swp1 down
 	ip link set dev $swp1 nomaster
 	ip link del dev br1
 }
diff --git a/tools/testing/selftests/net/forwarding/skbedit_priority.sh b/tools/testing/selftests/net/forwarding/skbedit_priority.sh
index e3bd8a6bb8b4..bde11dc27873 100755
--- a/tools/testing/selftests/net/forwarding/skbedit_priority.sh
+++ b/tools/testing/selftests/net/forwarding/skbedit_priority.sh
@@ -72,7 +72,9 @@ switch_destroy()
 	tc qdisc del dev $swp2 clsact
 	tc qdisc del dev $swp1 clsact
 
+	ip link set dev $swp2 down
 	ip link set dev $swp2 nomaster
+	ip link set dev $swp1 down
 	ip link set dev $swp1 nomaster
 	ip link del dev br1
 }
-- 
2.31.1
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